06 Supersymmetry Breaking

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    F

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    SU(3)SU(2)U(1)

    ii Fi

    i, i, Fi , = 1, 2

    i = i,i = i()i + Fi,

    Fi = i() (i),

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    gaugeAa = a + gfabcAbc

    gaugea = gfabcbc,

    gaugeDa =

    a + gfabcAbc

    fabcTa, Tb

    = ifabcTc

    Lgauge = 14

    FaFa + iaD

    a +1

    2DaDa

    Fa

    Fa = Aa Aa + gfabcAbAc,

    Da = a + gfabcAb

    c.

    gaugeXi = iga((Ta)jiXj)

    DXi = Xi

    igAa(T

    a)jiXj

    Xi

    i, i, Fi

    igAa(Ta)jiXj

    a Da

    (iTaji j)a, h.c. (iTaji j)D

    a

    S = 0

    i = i,

    i =

    i()D

    i + Fi,

    Fi = i() (Di) + 2g(Taij j)a

    L = Lchiral + Lgauge

    2g(iTaji j)a + h.c. + g(iTaji j)D

    a

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    Lchiral = DiDi + iiDi + FiFi+(1

    2

    2W

    ijij +

    W

    iFi) + h.c.

    V

    V = FiFi +1

    2

    a

    DaDa

    =

    i

    W

    i

    W

    i

    +

    1

    2

    a

    g2a(iT

    aji j)

    2

    W

    i = Mij

    j +

    1

    2y

    ijk

    jk.

    12

    yijkijk + h.c.

    +1

    4

    yijnyklnijkl

    3

    1

    2Minyjkni

    jk + h.c.

    MikMkjij

    1

    2 Mij

    ij + h.c.

    14

    FaFa

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    DiDi + iiDi + iaDa

    Da = a + gfabcAb

    c.

    Di = i igAa(Ta)jijDi = i igAa(Ta)jij

    2g(iTaji j)a + h.c

    g2a(iT

    aji j)

    2

    Q |fermion = |boson , Q |boson = |fermion ,

    Q, Q

    = 2()P

    {Q, Q} = 0 =

    Q, Q

    [Q, P] = 0 =

    Q

    , P

    m2b |boson = P2 |boson = QP2 |fermion = m2f |boson m2b = m2f

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    0P0 0 = 1

    4

    0Q1, Q1 + Q2Q2 0

    =1

    4

    Q1 |02 + ||Q1 |0||2 + Q2 |02 + Q2 |02

    Q Q |0 = 0Q |0 = 0

    Lsoft

    L = LSuSy + Lsoft

    dx4Lsoft = 0

    Lsoft

    Lsoft = 1

    2Ma

    aa +1

    6aijkijk +

    1

    2bijij + h.c. (m

    2)ijji

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    Qa

    (x) (x) = (x) + ia[(Qa), (x)],

    d4x

    L[]

    (x)(Qa)(x) = 0 and | (x) | = 0,

    Qa | =0

    [Q, (x)] = i(x), | (x) | = 0,

    (x) (x)| (x) | = | [Q, (x)] | = 0

    Q | = 0

    (x)

    Qa |0 = 0 0 P0 0 > 0

    0P0 0 = 0 |V| 0

    V = FiFi +1

    2

    k

    DakDak

    k

    F D

    0 |F| 0 = 0, or 0 |Da| 0 = 0,

    Fi = 0 and Da = 0

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    U(1)D

    LFI = D, [] = M2D = (...) D

    V|D = D 12

    D2 gDi

    qi |i|2 , D = gi

    qi |i|2 ,

    V =i

    |mi|2 |i|2 + 12

    g

    i

    qi |i|22

    .

    V > 0Qa |0 = 0|mi|2 gqi |mi|2

    F

    Fi

    i, i, F

    i

    i = 1,...,nW Fi = (Wi ) = 0 i

    V =

    i |Fi|2 > 0Qa |0 = 0

    i, i, F

    i

    i = 1, ..., 3

    W

    W = k1 + m23 + g2

    12

    3, k, m,g > 0,

    1

    V =

    k g2

    |3|22

    + m2 |3|2 + |m2 + g13|2 > 0,

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    m2 > gk

    3

    = 0 = 2

    1

    1V =

    i |Fi|2

    F1 = ki = 0

    V = V(0) + mijij + O(3),

    mij =2V

    ij|0 = mji

    0, 0, m2, m2, m2 gk, m2 + gk, 1

    2

    2W

    i

    j

    ij

    0, m2, m2, 1{1, 1, F1}

    Q

    F

    LsoftF

    LsoftF

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    hmc

    2Gmc2

    F

    LNR = 1Mp

    F1

    2da

    aa +1

    6y

    ijkijk +1

    2

    ijij+h.c. 1

    M2pF Fkiji

    j

    F 0 |F| 0 = 0 Lsoft

    Lsoft = 12

    Maaa 1

    6aijkijk 1

    2bijij (m)2ij ji

    Ma =0|F|0Mp

    da

    F